10. Slide dough slowly into the oil to avoid splattering. Deep fry until they puff up and are golden brown, about 3 to 5 minutes. Carefully remove from oil and place on a rack with paper towels underneath and allow to cool until you can handle them. Place in a clean paper bag with confectioners' sugar and shake gently until covered generously or use a sifter to dust the beignets with powdered sugar.